public class text6 {
    public static void hanoi(int n,char pos1,char pos2,char pos3){
        if(n==1){
            move(pos1,pos3);
            return;
        }

        hanoi(n-1,pos1,pos3,pos2);
        move(pos1,pos3);
        hanoi(n-1,pos2,pos1,pos3);
    }

    public static void move(char pos1,char pos2){
        System.out.print(pos1+"->"+pos2+" ");
    }

    public static void main(String[] args) {
        hanoi(3,'A','B','C');
        System.out.println();
        hanoi(2,'A','B','C');
        System.out.println();
        hanoi(1,'A','B','C');

    }
}
